0.6/1kvNN耐火電纜

PVC(XLPE)InsulatedFire-Resistant Power Cable

NN耐火電纜產品標準

    本產品按GB12706《額定電壓35kV及以下銅芯、鋁芯塑料絕緣電力電纜》和GB12666《電線電纜燃燒實驗方法》標準生產，同時還可根據用戶需要按電工委員會*的IEC標準、英國BS標準、德國DIN標準、美國ICEA標準及日本JIS標準生產。

The product is manufactured according to the standard of GB12706 and GB12666 or IEC,BS,DIN,ICEA,and JIS upon request.

適用范圍

    本產品適用于工頻額定電壓0.6/1kV及以下配電線路或工業裝置中有耐火要求的固定敷設場所使用。

The product is suitable for use in power distribution lines or fixed installations with rated power-frequency voltage up to and including 0.6/1kV.

使用特性

·工頻額定電壓U0/U:0.6/1kV。

Rated power-frequency voltage U0/U:0.6/1kV.

·電纜導體的zui高允許*工作溫度（PVC/XLPE）:70℃/90℃.

Max.permissible continuous operating temperature of conductor (PVC/XLPE): 70℃/90℃

·短路時（zui長持續時間不超過5s）電纜導體zui高允許溫度

PVC:導體截面≤300mm2-160℃

導體截面＞300mm2-140℃

XLPE:250℃

Max.short-circuit temperature of the conductor shall not exceed(5s maxiumduration):

PVC:cross-section of conductor≤300mm2-160℃

cross-section of conductor＞300mm2-140℃

XLPE:250℃

·電纜敷設時環境溫度應不低于0℃

The ambient temperature under installation should not below 0℃

·電纜的彎曲半徑：多芯電纜不小于電纜外徑15倍，單芯電纜不小于電纜外徑20倍。

The bending radius of a single-core cable should not less than 20 times of the cable diameter.

The bending radius of multicore-cable should not less than 15 times of the cable diameter.

電纜的型號Type of cable